Revision as of 00:01, 28 April 2020 by Sethile(talk | contribs)(Created page with "We have the following patent, courtesy Doug Valitchka. If you have any information, please add it here, or send it to sethile.pipes@gmail.com and we can add it for you. Fil...")
We have the following patent, courtesy Doug Valitchka. If you have any information, please add it here, or send it to sethile.pipes@gmail.com and we can add it for you.